diff --git a/.gitignore b/.gitignore
index f487ea6dd29..f28b2ffd329 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,6 +21,7 @@ tests/services/baselines/local/*
 tests/baselines/prototyping/local/*
 tests/baselines/rwc/*
 tests/baselines/test262/*
+tests/baselines/reference/projectOutput/*
 tests/baselines/local/projectOutput/*
 tests/services/baselines/prototyping/local/*
 tests/services/browser/typescriptServices.js